Apply a sufficient amount of either plain soap or antibacterial soap and wash both hands by rubbing them together and in between your fingers.
Hands should be washed with warm soap and water for 20 seconds.
Rinse and dry hands.
When sinks are not readily available, use a sufficient amount of an alcohol based hand sanitizer. Apply the sanitizer to the palm of one hand and then rub hands together, covering all surfaces, until they feel dry. This should take at least 20 seconds if you applied a sufficient amount of product.